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postnew [5]
4 years ago
14

Which compound will give positive Tollen's test?

Chemistry
1 answer:
DanielleElmas [232]4 years ago
3 0
Tollen's test is a test for aldehyde giving a silver mirror in its presence, hence also called silver mirror test. Among the choice, c. pentanal is the aldehyde. Answer is C.
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How is fluorine purified so that it is stable? If this is the same as how it was first purified, then state that it is.
krek1111 [17]

Answer:

it is the same way it is purified in the state

4 0
3 years ago
For hot vacuum filtration, the filter paper should be completely dry when pouring the hot solution into the Buchner funnel to fi
Oliga [24]

Answer:

False.

Explanation:

The given statement is false because for hot vacuum filtration, the filter paper should be wet rather than dry when pouring the hot solution into the Buchner funnel. This is because The possible explanation the filter paper needs to be wetted is not only to allow it to adhere to the funnel, but also to promote the solute to filter down readily across its pores of the paper without wetting it (this is true for organic and aqueous solvents).

5 0
3 years ago
Glucose is soluble in water. Why is cellulose, which is made up of glucose, insoluble in water?​
lapo4ka [179]

.....................

3 0
3 years ago
Give the name and formula for the acid derived from each of the following anions:<br> (c) bromite
Travka [436]

The name of the acid is Bromous acid and the Formula of the acid is HBrO₂.

<h3>What is Acids ? </h3>

Acids is defined as substances that is able to donate a proton or hydrogen ion to other substance. Acids acts as proton donor.

<h3>What is Oxoacids ? </h3>

An oxoacids is an acids that contains oxygen. It is also called oxyacids or ternary acids. Oxoacids are the acids of oxoanions.

If anion name contains the suffix ‘ate’ then replace ‘ate’ with ‘ic’.

If anion name contains the suffix ‘ite’ then replace ‘ite’ with ‘ous’.

Given anion is bromite. Formula of bromite is BrO₂⁻. It is an oxoanion.

Now write the name of acid. Here anion name contains the suffix ite so replace the ‘ite’ of bromite with ‘ous’.

The name of the acid is Bromous acid.   

Formula of the acid is HBrO₂.

Thus from the above conclusion we can say that The name of the acid is Bromous acid and the Formula of the acid is HBrO₂.

Learn more about Oxoacids here: brainly.com/question/21795128

#SPJ4

4 0
2 years ago
If a sample of gas has a volume of 100.0ml when the pressure is 50.0kPa, what is volume when the pressure is increased to 400.0k
dalvyx [7]

Answer:

V₂ = 12.5 mL

Explanation:

Given data:

Initial volume = 100.0 mL

Initial pressure = 50.0 KPa

Final volume = ?

Final pressure = 400.0 KPa

Solution:

The given problem will be solved through the Boyle's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

50.0 KPa × 100.0 mL = 400 KPa × V₂

V₂ = 5000 KPa.mL/ 400 KPa

V₂ = 12.5 mL

6 0
3 years ago
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